package com.ny.wlw;

import java.io.*;

public class TestFile {
    public  void  setData(String filename,String data) throws IOException {

        FileWriter fileWriter = new FileWriter(filename);
        BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
        bufferedWriter.write(data);
        bufferedWriter.close();
    }

    public void getData(String filename)  {

        FileReader fileReader = null;
        try {
            fileReader = new FileReader(filename);
            BufferedReader reader = new BufferedReader(fileReader);
            String data;
            while((data = reader.readLine())!=null){
                System.out.println(data);
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        finally {
            System.out.println("不管是否发生异常都会执行finally里边的代码");
        }


    }
}
